CN104927947A - Method, apparatus, and corresponding system for processing coal water slurry - Google Patents
Method, apparatus, and corresponding system for processing coal water slurry Download PDFInfo
- Publication number
- CN104927947A CN104927947A CN201410103868.4A CN201410103868A CN104927947A CN 104927947 A CN104927947 A CN 104927947A CN 201410103868 A CN201410103868 A CN 201410103868A CN 104927947 A CN104927947 A CN 104927947A
- Authority
- CN
- China
- Prior art keywords
- water slurry
- coal water
- coal
- particle
- additive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
- F23K1/02—Mixing solid fuel with a liquid, e.g. preparing slurries
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
- C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2462—Organic compounds containing sulfur, selenium and/or tellurium macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2250/00—Structural features of fuel components or fuel compositions, either in solid, liquid or gaseous state
- C10L2250/06—Particle, bubble or droplet size
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/14—Injection, e.g. in a reactor or a fuel stream during fuel production
- C10L2290/141—Injection, e.g. in a reactor or a fuel stream during fuel production of additive or catalyst
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/24—Mixing, stirring of fuel components
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/28—Cutting, disintegrating, shredding or grinding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/50—Blending
- F23K2201/503—Blending with non-combustible liquids to prepare slurries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/50—Blending
- F23K2201/505—Blending with additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention relates to a method, apparatus and corresponding system for processing coal water slurry. The method comprises the following steps: providing first coal water slurry containing coal particles with a first average size, providing a first additive; and processing the first coal water slurry and first additive to obtain second coal water slurry containing coal particles with a second average size; wherein the second average size is smaller than the first average size. The invention also relates to related apparatus and system.
Description
Technical field
The present invention relates to method and apparatus and the corresponding system of process coal water slurry.
Background technology
Coal water slurry is widely used at present as in the fields such as gasified industry.Sometimes need the thin coal water slurry comprising duff particle.If first provide duff particle before being mixed with thin coal water slurry with water, when milling and process dry duff particle, the situation of spontaneous combustion or blast may be had.In addition, when thin dry coal particle mixes with water, the phenomenon of luming may be there is, thus reduce the performance of coal water slurry.
In addition, by thick coal water slurry process to obtain thin coal water slurry time, it is found that thick coal water slurry may be clung in treatment unit.Thin coal water slurry, also referred to as coal suspension liquid, can possess such as not easily the physical property such as precipitation can contribute to the preparation of high-concentration coal-water slurry.
Therefore, new, that improve method, equipment and system is needed.
Summary of the invention
The object of this invention is to provide a kind of newly, the method for process coal water slurry, device and the corresponding system that improve.
On the one hand, the present invention relates to a kind of method processing coal water slurry, it comprises: providing package is containing the first coal water slurry of the coal particle of the first mean sizes; First additive is provided; And, process described first coal water slurry and described first additive to obtain the second coal water slurry of the coal particle containing the second mean sizes being less than described first mean sizes.
On the other hand, the present invention relates to a kind of device processing coal water slurry, it comprises: for receiving the first entrance of the first coal water slurry; For receiving the second entrance of the first additive; For the treatment of described first coal water slurry and described first additive to obtain the processing element of the second coal water slurry; And for exporting the outlet of described second coal water slurry.
Again on the one hand, the present invention relates to a kind of system processing coal water slurry, it comprises: the device of process coal water slurry as in the previous paragraph; For providing the first module of the 3rd coal water slurry, described 3rd coal water slurry comprises described first coal water slurry and the 4th coal water slurry; For providing the second unit of dry rough coal particle; And for mixing described dry rough coal particle, described second coal water slurry and described 4th coal water slurry to obtain the mixed cell of the 5th coal water slurry.
Accompanying drawing explanation
Be described for embodiments of the invention in conjunction with the drawings, the present invention may be better understood, in the accompanying drawings:
Fig. 1 is the schematic diagram of the device of process coal water slurry according to the first embodiment of the present invention;
Fig. 2 is the schematic diagram of the device of process coal water slurry according to a second embodiment of the present invention;
Fig. 3 is the schematic diagram of the device of process coal water slurry according to the third embodiment of the invention;
Fig. 4 is the schematic diagram of the device of process coal water slurry according to a fourth embodiment of the invention; With
Fig. 5 is the schematic diagram of system according to a fifth embodiment of the invention.
Embodiment
Approximate term in specification sheets is used for modifying quantity, represents that the present invention is not limited to this concrete quantity, also comprises close to this quantity acceptable and can not cause the part of the correction of the change of relevant basic function.Accordingly, modify a numerical value with " approximately ", " about " etc., mean and the invention is not restricted to this exact numerical.In some example, approximate term may correspond to the precision of the instrument measuring numerical value.
In the following description book and claim, numerical range can merge and/or exchange, unless clearly demonstrated separately, numerical range comprises its all numerical value subranges contained.
In the specification and in the claims, unless clearly pointed out in addition, single plural number of all items is not limited." first ", " second " that use in patent application specification of the present invention and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different elements or embodiment etc.
Unless the context clearly dictates otherwise, term "or", " or " and do not mean that exclusive, and refer to existence mentions in project (such as material) at least one, and the situation that the combination comprising the project of mentioning can exist.
Mention in the present invention " some embodiments " etc., represent that described a kind of specific factor related to the present invention (such as feature, structure and/or feature) is comprised at least one embodiment described in this specification sheets, may or may not come across in other embodiments.In addition, it is to be appreciated that described specific factor can be combined in any suitable manner with various embodiment and structure.
Hereinafter, with reference to the accompanying drawings embodiments of the present invention will be described, well-known function and structure can not be described in detail, to avoid making because of unnecessary details the present invention become puzzling.
Fig. 1-4 is depicted as the schematic diagram of the device 10-40 processing coal water slurry according to an embodiment of the invention.Device 10,20,30,40 comprises: for receiving the first entrance 11,21,31,41 of the first coal water slurry 12,22,32,42; For receiving the second entrance 14,24,34,54 of the first additive 15,25,35,45; For the treatment of the first coal water slurry 12,22,32,42 and first additive 15,25,35,45 to obtain the processing element 17,27,37,47 of the second coal water slurry 19,29,39,49; And for exporting the outlet 18,28,38,48 of the second coal water slurry 19,29,39,49.
In some embodiments, as Figure 1-3, first, second entrance 11,21,31,14,24,34 is positioned at the bottom of processing element 17,27,37.First entrance can be positioned at the sidewall of processing element as Figure 1-3, also can be positioned at the diapire (not shown) of processing element.In some embodiments, the second entrance can be positioned at the diapire of processing element as shown in Figure 1.In some embodiments, the second entrance can be positioned at the sidewall of processing element as shown in Figure 2.In some embodiments, the second entrance 34 as shown in Figure 3, can comprise the first part 340 being positioned at processing element 37 diapire and the second section 341 being positioned at processing element 37 sidewall.
In the embodiment that some are not shown, the second entrance can be positioned at the top of processing element.
In some embodiments, as Figure 1-4, the top that 18,28,38,48 are positioned at processing element 17,27,37,47 is exported.
In some embodiments, as shown in Figure 4, device 40 comprises Buffer Pool 400 and the 3rd entrance 401.First, second entrance 41,44 is positioned on Buffer Pool 400.First coal water slurry 42 and the first additive 45 mixing in Buffer Pool 400 before items 47 processes from source of additive 46.3rd entrance 401 is positioned on processing element 47, for receiving the mixture of the first coal water slurry 42 from Buffer Pool 400 and the first additive 45, i.e. coal water slurry 403.In some embodiments, whipping device 402 can be set in Buffer Pool 400, in order to promote the mixing of the first coal water slurry 42 and the first additive 45.
" coal water slurry " mentioned in the present invention can be the mixture of the other materials that the coal of specific quantity, water and selectivity are added, and is used for producing the energy used in generating, heating, support process and manufacturing processed.
The non-limitative example of other materials comprises sulfonated alkyl naphathalene, Voranol EP 2001, ammonium lignosulphonate, sodium lignosulfonate, the sodium salt of naphthalenesulfonate and oxymethylene polymerization, the polycondensation ester of sulfonic acid, and tensio-active agent as derivative in polyethylene oxides (PEO) such as humic acids dispersion agent, polyolefm sulfonates class dispersion agent and polycarboxylic acid dispersants and dispersion agent.Some other materials, the slurries additive agent FP (Q/GHBC202-2003) that such as can buy from Chinese Shanghai Jiaohua Co., Ltd comprises the combination of aforementioned at least part of material.
In coal water slurry, the concentration of coal and other materials and the mobility of coal water slurry and viscosity can by the type decided of coal.Usually, under acceptable mobility and viscosity prerequisite, the concentration of coal is more high better.The other materials that coal particle, approximately 30wt% that typical coal water slurry can comprise about 45wt% to about 70wt% add to the water of about 55wt% and the selectivity of some amount (as being less than about 1wt%).It should be pointed out that embodiments of the invention do not limit coal or the other materials of any particular types and quantity for coal water slurry.
According to embodiments of the invention, the first additive comprises viscosity reducing material, or mobility (pourability) improves material.In some embodiments, some materials may be viscosity reducing material, are again that mobility (pourability) improves material.In some embodiments, first additive comprises water, sulfonated alkyl naphathalene, Voranol EP 2001, ammonium lignosulphonate, sodium lignosulfonate, the sodium salt of naphthalenesulfonate and oxymethylene polymerization, the polycondensation ester of sulfonic acid, or tensio-active agent as derivative in polyethylene oxides (PEO) such as humic acids dispersion agent, polyolefm sulfonates class dispersion agent and polycarboxylic acid dispersants and dispersion agent.
The amount of the first additive can be depending on the coal concentration and viscosity (and/or mobility) of wishing the second coal water slurry obtained.In some embodiments, the first additive can be water, in order to the concentration of the first coal water slurry reducing lower than in the amplitude of about 5%.In some embodiments, the first additive can be other materials, in order to the concentration of other materials in the first coal water slurry is increased to about 1%.
In some embodiments, first coal water slurry has aftermentioned size distribution: the first coal particle accounts for about 20wt% to about 50wt% of coal in coal water slurry and particle size (particle diameter) is less than 44 microns, second coal particle accounts for about 20wt% to about 70wt% of coal in coal water slurry and the scope of particle diameter is from about 44 microns to about 420 microns, and the 3rd coal particle accounts for the 10wt% to about 40wt% of coal in coal water slurry and the scope of particle diameter is greater than about 420 microns.The wt% used in the present invention represents weight percent.In some embodiments, in the first coal water slurry, the maximum particle diameter of coal particle is less than about 1500 microns, and median size (d50) is greater than about 100 microns.
In certain embodiments, the first coal particle account for the scope of coal weight in the first coal water slurry can from about 25wt% to about 45wt%.Second coal particle accounts for the scope of coal weight in the first coal water slurry can from about 30wt% to about 60wt%.3rd coal particle accounts for the scope of coal weight in the first coal water slurry can from about 20wt% to about 30wt%.In some applications, the first coal particle account for the scope of coal weight in the first coal water slurry can from about 30wt% to about 40wt%.The particle size range of the second coal particle can from about 75 microns to about 250 microns.The particle size range of the 3rd coal particle can from about 600 microns to about 850 microns.In addition, the particle size range of the second coal particle can from about 150 microns to about 250 microns.
Processing element 17,27,37,47 can be any structure, composition or the structure that can reduce coal particle size in the first coal water slurry.In some embodiments, processing element comprises runner milling.In some embodiments, processing element involving vibrations grinding machine or three-stage roll mill.
In some embodiments, in the second coal water slurry, the mean sizes (particle diameter, d50) of coal particle is less than about 40 microns, about 35 microns, or about 20 microns.
Figure 5 shows that the schematic diagram of system 100 according to a fifth embodiment of the present invention.Described system 100 comprises: device 101; For providing the first module 102 of the 3rd coal water slurry 103, described 3rd coal water slurry 103 comprises the first coal water slurry 104 and the 4th coal water slurry 105; For providing the second unit 106 of dry rough coal particle 107; And for mixing described dry rough coal particle 107, described second coal water slurry 109 and described 4th coal water slurry 105 to obtain the mixed cell 108 of the 5th coal water slurry 110.
It is any one or more that described device 101 can comprise in device 10,20,30,40.So it is any one or more that the first coal water slurry 104 can comprise in the first coal water slurry 12,22,32,42, and the second coal water slurry 109 can to comprise in the second coal water slurry 19,29,39,49 any one or more.
In first module 102, coal (not shown), water and the alternative other materials added are used as wet wheeling machine processing such as wet rod mills, to prepare the 3rd coal water slurry 103.
Coal water slurry source 13,23,33,43 can be coal water slurry pond or as wet wheeling machines such as wet rod mills, for providing the first coal water slurry 12,22,32,42.In some embodiments, coal water slurry source 13,23,33,43 is first module 102.
In second unit 106, coal (not shown) is added into dry grinder, such as, in ball mill or dry-type pulverizing machine, to prepare dry rough coal particle 107.In certain embodiments, dry rough coal particle 107 comprises maximum particle diameter and is less than the coal particle that about 1500 microns and median size be greater than about 100 microns.
In certain embodiments, one or more grinding machine or crusher can be used in first module 102 respectively, in second unit 106 and device 101.
In certain embodiments, the coal of use can comprise one or more high-order coals, such as bituminous coal and hard coal, and low-rank coal, such as sub-bituminous coal and brown coal.In some instances, coal can comprise the mixture of low-rank coal particle and high-order coal particle.In a non-limitative example, coal comprises low-rank coal particle, such as sub-bituminous coal and brown coal.Because the cost of low-rank coal is lower, so the coal water slurry using low-rank coal to produce coal concentration higher in some instances can meet cost benefit.
The particle diameter of coal can be less than about 3 millimeters.Or the particle diameter of coal can be different from each other, and be greater than about 3 millimeters.One or more coal supply sources (not shown) can be used to provide coal.
Dry rough coal particle 107, second coal water slurry 109 and the 4th coal water slurry 105 mix with suitable proportion to prepare the 5th coal water slurry 110 in mixed cell 108.In some embodiments, from the coal of the 4th coal water slurry 105 more than 30 about percent of coal gross weight in the 5th coal water slurry 110.In some embodiments, from the coal of the second coal water slurry 109 lower than 30 about percent of coal gross weight in the 5th coal water slurry 110.
In some instances, before being injected into mixed cell 108,4th coal water slurry 105, size distribution in the rough coal particle 107 of the second coal water slurry 109 and drying is analyzed by such as laser particle Distribution Analyzer, to determine the 4th coal water slurry 105, second coal water slurry 109, the add-on of dry rough coal particle 107.
In certain embodiments, in mixing process, mixing tank (not shown) can be used in mixed cell 108, mix the 4th coal water slurry 105, second coal water slurry 109, dry rough coal particle 107, and the speed injecting the 4th coal water slurry 105, second coal water slurry 109, dry rough coal particle 107 in mixed cell 108 can be controlled, 4th coal water slurry 105 contacts with dry rough coal particle 107 with the water in the second coal water slurry 109, and relatively little coal particle is dispersed between relatively large coal particle.
5th coal water slurry 110 can be sent to fuel element (not shown), such as gasifier.
In embodiment shown in Fig. 1 to 4, second coal water slurry 19,29,39,49 is processed by the first coal water slurry 12,22,32,42 and first additive 15,25,35,45 and obtains, therefore save ultra-fine with process in grinding and in the coal particle process of drying explosion-proof cost, and eliminate ultra-fine grain problem coalescent in the process mixed with water.From aftermentioned example, the first additive contributes to process first coal water slurry to obtain reducing the second coal water slurry of coal particle size and acceptable viscosity/mobility.
Embodiment shown in Fig. 5, in the 5th coal water slurry, the coal particle that particle diameter is relatively little dispersibles between the coal particle that particle diameter is relatively large, to increase the coal concentration of the 5th obtained coal water slurry 110.In addition, water unnecessary in dry rough coal particle 107 Absorbable rod the 4th coal water slurry 105 and the second coal water slurry 109, the coal concentration of raising the 5th coal water slurry 110 further.
Example
Following example for those skilled in the art implement the invention provides further guidance.Example does not limit the scope of the present invention defined in claims.
Comparative example
The thick coal water slurry with size distribution as shown in table 1 below prepared with wet rod mill is imported runner milling.In described thick coal water slurry, the concentration of coal is 52.5wt%, and slurries additive agent FP (Q/GHBC202-2003) is 0.5wt% relative to the per-cent of butt coal.
Table 1
| Particle diameter (μm) | Weight percent (wt%) |
| >850 | 0 |
| 420～850 | 2～10 |
| 250～420 | 15～25 |
| 150～250 | 10～20 |
| 75～150 | 10-15 |
| 44～75 | 5-10 |
Can observe described thick coal water slurry and flow into the intake pipeline importing runner milling smoothly, but the outlet of runner milling does not have output products, coal water slurry has been bonded at inside runner milling.Inside runner milling, the viscosity of coal water slurry is up to 1851 centipoises.
Example 1
The thick coal water slurry same with comparative example mixes one hour to obtain the coal water slurry that coal concentration is 51wt% in Buffer Pool with water.
Coal water slurry from Buffer Pool is imported the runner milling same with comparative example.Can find, the good fluidity in intake pipeline, and one thin coal water slurry (median size of coal is about 35 microns) is discharged smoothly from the outlet on runner milling top.
Example 2
The thick coal water slurry same with comparative example mixes one hour to obtain coal concentration for 52.5wt% and the coal water slurry that slurries additive agent is 0.8wt% relative to butt coal per-cent in Buffer Pool with slurries additive agent FP (Q/GHBC202-2003).
Coal water slurry from Buffer Pool is imported the runner milling same with example 1 by the entrance of runner milling bottom.Can find, the good fluidity in intake pipeline, and one thin coal water slurry (median size of coal is about 35 microns) is discharged smoothly from the outlet on runner milling top.The viscosity of described thin coal water slurry is about 1213 centipoises.
Although be described in detail Partial Feature of the present invention and described in a specific embodiment, under the prerequisite not departing from spirit of the present invention, various change and replacement can be carried out to the present invention.Same, those skilled in the art also can obtain disclosed by the invention other according to normal experiment and change and equivalent.All these change, and replace and within the design of claim that equivalent all defines in the present invention and scope.
Claims (10)
1. process a method for coal water slurry, it comprises:
Providing package is containing the first coal water slurry of the coal particle of the first mean sizes;
First additive is provided; And,
Process described first coal water slurry and described first additive to obtain the second coal water slurry of the coal particle containing the second mean sizes being less than described first mean sizes.
2. the method for process coal water slurry as claimed in claim 1, it comprises: mix described first coal water slurry and described first additive before treatment.
3. the method for process coal water slurry as claimed in claim 1, wherein said first additive comprises viscosity reducing material or mobility improves material.
4. process a device for coal water slurry, it comprises:
For receiving the first entrance of the first coal water slurry;
For receiving the second entrance of the first additive;
For the treatment of described first coal water slurry and described first additive to obtain the processing element of the second coal water slurry; And
For exporting the outlet of described second coal water slurry.
5. the device of process coal water slurry as claimed in claim 4, wherein said outlet is positioned at the top of described processing element.
6. the device of process coal water slurry as claimed in claim 4, first, second entrance wherein said is positioned at the bottom of described processing element.
7. the device of process coal water slurry as claimed in claim 4, wherein said second entrance is positioned at the top of described processing element.
8. the device of process coal water slurry as claimed in claim 4, it comprises Buffer Pool and the 3rd entrance, first, second entrance wherein said is positioned on described Buffer Pool, and described 3rd entrance is positioned on described processing element for receiving from described first coal water slurry of described Buffer Pool and the mixture of described first additive.
9. the device of process coal water slurry as claimed in claim 4, wherein said processing element comprises runner milling.
10. process a system for coal water slurry, it comprises:
The device of the process coal water slurry as described in claim arbitrary in claim 4 to 9;
For providing the first module of the 3rd coal water slurry, described 3rd coal water slurry comprises described first coal water slurry and the 4th coal water slurry;
For providing the second unit of dry rough coal particle; And
For mixing described dry rough coal particle, described second coal water slurry and described 4th coal water slurry to obtain the mixed cell of the 5th coal water slurry.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103868.4A CN104927947A (en) | 2014-03-19 | 2014-03-19 | Method, apparatus, and corresponding system for processing coal water slurry |
| PCT/US2015/021407 WO2015143122A1 (en) | 2014-03-19 | 2015-03-19 | Method and apparatus for processing coal water slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103868.4A CN104927947A (en) | 2014-03-19 | 2014-03-19 | Method, apparatus, and corresponding system for processing coal water slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104927947A true CN104927947A (en) | 2015-09-23 |
Family
ID=52815301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410103868.4A Pending CN104927947A (en) | 2014-03-19 | 2014-03-19 | Method, apparatus, and corresponding system for processing coal water slurry |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104927947A (en) |
| WO (1) | WO2015143122A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111057586A (en) * | 2019-12-17 | 2020-04-24 | 北京航化节能环保技术有限公司 | Coal water slurry gasification burner system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106713B (en) * | 1985-09-06 | 1986-11-26 | 中国科学院感光化学研究所 | Manufacturing engineering for high concentration water coal |
| US4753660A (en) * | 1985-03-15 | 1988-06-28 | Klockner-Humboldt-Deutz Aktiengesellschaft | Method for the production of a coal suspension |
| CN1062754A (en) * | 1990-12-21 | 1992-07-15 | 日本科姆株式会社 | The preparation method of high-concentration coal-water slurry |
| EP2508589A1 (en) * | 2011-04-07 | 2012-10-10 | General Electric Company | Coal Water Slurry and Methods for Making the Coal Water Slurry |
| US20130045143A1 (en) * | 2011-08-19 | 2013-02-21 | General Electric Company | Fuel slurry heating system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687490A (en) * | 1986-03-10 | 1987-08-18 | Atlantic Research Corporation | Process for controlling the viscosity and stability of a coal-water fuel slurry |
-
2014
- 2014-03-19 CN CN201410103868.4A patent/CN104927947A/en active Pending
-
2015
- 2015-03-19 WO PCT/US2015/021407 patent/WO2015143122A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4753660A (en) * | 1985-03-15 | 1988-06-28 | Klockner-Humboldt-Deutz Aktiengesellschaft | Method for the production of a coal suspension |
| CN85106713B (en) * | 1985-09-06 | 1986-11-26 | 中国科学院感光化学研究所 | Manufacturing engineering for high concentration water coal |
| CN1062754A (en) * | 1990-12-21 | 1992-07-15 | 日本科姆株式会社 | The preparation method of high-concentration coal-water slurry |
| EP2508589A1 (en) * | 2011-04-07 | 2012-10-10 | General Electric Company | Coal Water Slurry and Methods for Making the Coal Water Slurry |
| CN102732341A (en) * | 2011-04-07 | 2012-10-17 | 通用电气公司 | Coal water slurry and preparation method thereof |
| US20130045143A1 (en) * | 2011-08-19 | 2013-02-21 | General Electric Company | Fuel slurry heating system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015143122A1 (en) | 2015-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101550369B (en) | Water-coal-slurry additive and preparation method thereof | |
| CN104818063B (en) | Slurries additive agent and application thereof | |
| CN103509617A (en) | Special composite coal water slurry additive for coal gasification | |
| EP2508589A1 (en) | Coal Water Slurry and Methods for Making the Coal Water Slurry | |
| CN101898878A (en) | Cement grinding aid | |
| CN101723614B (en) | Liquid cement grinding aid | |
| CN102031168A (en) | Anionic-nonionic complex gasified coal water slurry additive | |
| CN104891844A (en) | Cement grinding aid | |
| CN104926190A (en) | Composite cement grinding aid | |
| CN103849440A (en) | Apparatus and method for preparing coal water slurry | |
| CN103965981B (en) | The apparatus and method of preparation water-coal-slurry | |
| CN104927947A (en) | Method, apparatus, and corresponding system for processing coal water slurry | |
| CN109266410A (en) | A kind of slurries additive agent with grind -aiding effect | |
| CN109880663A (en) | A kind of low energy consumption is interrupted the water-coal-slurry and preparation method thereof of grain size distribution completely | |
| CN105236809A (en) | Cement grinding aid | |
| CN104072006A (en) | Efficient liquid grinding aid for cement | |
| CN107312581A (en) | The surface additive and its application process of a kind of biomass coal-water slurry | |
| CN101898879A (en) | Output-increased composite portland cement grinding additive | |
| CN111944483B (en) | Coal grinding aid and preparation method and application thereof | |
| CN105647602A (en) | Novel composite coal water slurry and a preparing method thereof | |
| CN104531126B (en) | A kind of super guanidine gum suspension and preparation method thereof | |
| CN1962830A (en) | Complex method for coal water slurry additive | |
| CN103374423A (en) | Coal-water slurry and method for preparing same | |
| CN105152569A (en) | Compound cement grinding agent and method for applying same | |
| CN109135853A (en) | A kind of thin broken method that mill prepares high-concentration coal-water slurry less |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191226 Address after: Pennsylvania, USA Applicant after: Gas Products and Chemical Company Address before: New York State, USA Applicant before: General Electric Company |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150923 |